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2002210212 = 223599278549
BaseRepresentation
bin111011101010111…
…0100110110100100
312011112111211001210
41313111310312210
513100031211322
6530402151420
7100421335362
oct16725646644
95145454053
102002210212
11938217192
1247a652570
1325ba6c392
1414dcb2632
15bab9c70c
hex77574da4

2002210212 has 24 divisors (see below), whose sum is σ = 4679640000. Its totient is φ = 666286816.

The previous prime is 2002210211. The next prime is 2002210219. The reversal of 2002210212 is 2120122002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2002210211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132087 + ... + 146462.

It is an arithmetic number, because the mean of its divisors is an integer number (194985000).

Almost surely, 22002210212 is an apocalyptic number.

It is an amenable number.

2002210212 is an abundant number, since it is smaller than the sum of its proper divisors (2677429788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002210212 is a wasteful number, since it uses less digits than its factorization.

2002210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279155 (or 279153 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2002210212 is about 44746.0636481021. The cubic root of 2002210212 is about 1260.3849944714.

Adding to 2002210212 its reverse (2120122002), we get a palindrome (4122332214).

The spelling of 2002210212 in words is "two billion, two million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 599 1198 1797 2396 3594 7188 278549 557098 835647 1114196 1671294 3342588 166850851 333701702 500552553 667403404 1001105106 2002210212